84522379 has 8 divisors (see below), whose sum is σ = 85433040. Its totient is φ = 83616000.

The previous prime is 84522377. The next prime is 84522409. The reversal of 84522379 is 97322548.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84522379 - 2¹ = 84522377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84522371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51727 + ... + 53335.

It is an arithmetic number, because the mean of its divisors is an integer number (10679130).

Almost surely, 2^84522379 is an apocalyptic number.

84522379 is a deficient number, since it is larger than the sum of its proper divisors (910661).

84522379 is a wasteful number, since it uses less digits than its factorization.

84522379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141.

The product of its digits is 120960, while the sum is 40.

The square root of 84522379 is about 9193.6053319685. The cubic root of 84522379 is about 438.8578833361.

The spelling of 84522379 in words is "eighty-four million, five hundred twenty-two thousand, three hundred seventy-nine".